S32750超级双相不锈钢
栏目：不锈钢分类
发布时间：2018-12-23
S32750是目前超级双相不锈钢系列中的典型代表，与普通2205双相不锈钢相比，Cr、Mo、N含量均有一定程度的提高，尤其是N含量，达到2800ppm左右，耐点腐蚀指数PREN达到43，因而具有更高的强度、更为优越的耐氯离子点蚀、耐应力腐蚀性能。适用于石油化工、炼油、真空制盐、烟气脱硫等腐蚀环境更为苛刻的领域。目前世界上只有极个别国家可以生产。
部分不锈钢化学成份表
| 部分不锈钢化学成份表 | |||||||||
| 规格 | 化学成份(%) | ||||||||
| 中国 | C | Si | Mn | P | S | Ni | Cr | Mo | |
| 0Cr19Ni9 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.035 | ≤0.035 | 8.00-10.50 | 18.00-20.00 | ||
| 0Cr19Ni11 | ≤0.030 | ≤1.00 | ≤2.00 | ≤0.035 | ≤0.035 | 9.00-13.00 | 18.00-20.00 | ||
| 0Cr17Ni12Mo2 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.035 | ≤0.035 | 10.00-14.00 | 16.00-18.00 | 2.00-3.00 | |
| 0Cr19Ni14Mo2 | ≤0.030 | ≤1.00 | ≤2.00 | ≤0.035 | ≤0.035 | 12.00-15.00 | 16.00-18.00 | 2.00-3.00 | |
| 日本 | SUS304 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.040 | ≤0.040 | 8.00-11.00 | 18.00-20.00 | |
| SUS304L | ≤0.030 | ≤1.00 | ≤2.00 | ≤0.040 | ≤0.040 | 9.00-13.00 | 18.00-20.00 | ||
| SUS316 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.040 | ≤0.040 | 10.00-14.00 | 16.00-18.00 | 2.00-3.00 | |
| SUS316L | ≤0.030 | ≤1.00 | ≤2.00 | ≤0.040 | ≤0.040 | 12.00-16.00 | 16.00-18.00 | 2.00-3.00 | |
| 美国 | Tp304 | ≤0.08 | ≤0.75 | ≤2.00 | ≤0.040 | ≤0.040 | 8.00-11.00 | 18.00-20.00 | |
| Tp304L | ≤0.035 | ≤0.75 | ≤2.00 | ≤0.040 | ≤0.040 | 8.00-13.00 | 18.00-20.00 | ||
| Tp316 | ≤0.08 | ≤0.75 | ≤2.00 | ≤0.040 | ≤0.040 | 11.00-14.00 | 16.00-18.00 | 2.00-3.00 | |
| Tp316L | ≤0.035 | ≤0.75 | ≤2.00 | ≤0.040 | ≤0.040 | 10.00-15.00 | 16.00-18.00 | 2.00-3.00 | |
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300系不锈钢介绍